更新

Author: zhongyang219

MusicPlayer2/UIElement/EditControl.cpp

@@ -1,20 +1,175 @@
 #include "stdafx.h"
 #include "EditControl.h"
 
+
+void UiElement::EditControl::Create(CWnd* parent)
+{
+    m_edit_ctrl = std::make_unique<CEdit>();
+    m_edit_ctrl->Create(WS_CHILDWINDOW | WS_BORDER | WS_VISIBLE | WS_CLIPCHILDREN | ES_AUTOHSCROLL, GetRect(), parent, system_ctrl_id);
+    system_ctrl_id++;
+    m_edit_ctrl->SetFont(parent->GetFont());
+    m_edit_ctrl->ShowWindow(SW_SHOW);
+}
+
 void UiElement::EditControl::Draw()
 {
     CalculateRect();
 
-    if (m_edit_ctrl != nullptr && IsWindow(m_edit_ctrl->m_hWnd))
+    //DrawTextCtrl();
+
+    if (IsEditControlValid())
     {
         m_edit_ctrl->SetWindowPos(nullptr, GetRect().left, GetRect().top, GetRect().Width(), GetRect().Height(), SWP_NOZORDER);
     }
 }
 
-void UiElement::EditControl::Create(CWnd* parent)
+void UiElement::EditControl::DrawTextCtrl()
 {
-    m_edit_ctrl = std::make_unique<CEdit>();
-    m_edit_ctrl->Create(WS_CHILD | WS_VISIBLE | WS_BORDER, GetRect(), parent, system_ctrl_id);
-    system_ctrl_id++;
-    m_edit_ctrl->SetFont(parent->GetFont());
+    //绘制背景
+    COLORREF back_color;
+    if (hover)
+        back_color = ui->GetUIColors().color_button_hover;
+    else
+        back_color = ui->GetUIColors().color_control_bar_back;
+    ui->DrawRectangle(rect, back_color);
+    //计算文本区域位置
+    CRect rect_text{ rect };
+    rect_text.left += ui->DPI(4);
+    rect_text.right -= ui->DPI(4);
+    //获取当前文本
+    CString text;
+    if (IsEditControlValid())
+        m_edit_ctrl->GetWindowText(text);
+    //绘制光标
+    if (is_edit && m_edit_ctrl != nullptr)
+    {
+        int text_height = ui->DPI(16);
+        int start_char = 0;
+        int end_char = 0;
+        m_edit_ctrl->GetSel(start_char, end_char);
+        int text_length = text.GetLength();
+        int start_width = GetTextWidthByPos(start_char, text);
+        int end_width = GetTextWidthByPos(end_char, text);
+        //绘制选择区域
+        if (start_char < end_char)
+        {
+            CRect rect_sel = rect;
+            rect_sel.top = rect.top + (rect.Height() - text_height) / 2;
+            rect_sel.bottom = rect_sel.top + text_height;
+            rect_sel.left = rect_text.left + start_width;
+            rect_sel.right = rect_text.left + end_width;
+            rect_sel &= rect_text;
+            COLORREF color_selection;
+            if (theApp.m_app_setting_data.dark_mode)
+                color_selection = theApp.m_app_setting_data.theme_color.dark1;
+            else
+                color_selection = theApp.m_app_setting_data.theme_color.light1_5;
+            ui->GetDrawer().FillRect(rect_sel, color_selection);
+        }
+
+        CPoint point1;
+        point1.x = rect_text.left + end_width;
+        point1.y = rect.top + (rect.Height() - text_height) / 2;
+        if (rect.PtInRect(point1))
+        {
+            CPoint point2 = point1;
+            point2.y += text_height;
+            ui->GetDrawer().DrawLine(point1, point2, ui->GetUIColors().color_text, ui->DPI(1), false);
+        }
+    }
+
+    //绘制文本
+    COLORREF text_color = ui->GetUIColors().color_text;
+    out_of_bounds = false;
+    ui->GetDrawer().DrawWindowText(rect_text, text.GetString(), text_color, Alignment::LEFT, true, false, false, &out_of_bounds);
+}
+
+bool UiElement::EditControl::LButtonUp(CPoint point)
+{
+    if (rect.PtInRect(point))
+    {
+        //点击时显示关联的控件
+        if (rect.PtInRect(point))
+        {
+            if (IsEditControlValid())
+            {
+                m_edit_ctrl->SetWindowPos(nullptr, rect.left, rect.top, rect.Width(), rect.Height(), SWP_NOZORDER);
+                is_edit = true;
+                //m_edit_ctrl->ShowWindow(SW_SHOW);
+            }
+        }
+        return true;
+    }
+    else
+    {
+        if (IsEditControlValid())
+        {
+            is_edit = false;
+            //m_edit_ctrl->ShowWindow(SW_HIDE);
+        }
+    }
+    return false;
+}
+
+bool UiElement::EditControl::LButtonDown(CPoint point)
+{
+    return false;
+}
+
+bool UiElement::EditControl::MouseMove(CPoint point)
+{
+    hover = rect.PtInRect(point);
+    if (out_of_bounds && IsEditControlValid())
+    {
+        if (!last_hover && hover)
+        {
+            CString tooltip_text;
+            m_edit_ctrl->GetWindowText(tooltip_text);
+            ui->UpdateMouseToolTip(TooltipIndex::TEXT_BLOCK, tooltip_text.GetString());
+        }
+
+        if (hover)
+        {
+            ui->UpdateMouseToolTipPosition(TooltipIndex::TEXT_BLOCK, rect);
+        }
+        last_hover = hover;
+    }
+    else
+    {
+        ui->UpdateMouseToolTipPosition(TooltipIndex::TEXT_BLOCK, CRect());
+    }
+
+    return false;
+}
+
+bool UiElement::EditControl::MouseLeave()
+{
+    hover = false;
+    return false;
+}
+
+bool UiElement::EditControl::SetCursor()
+{
+    if (hover && IsEditControlValid())
+    {
+        ::SetCursor(::LoadCursor(NULL, IDC_IBEAM));
+        return true;
+    }
+    return false;
+}
+
+bool UiElement::EditControl::IsEditControlValid()
+{
+    return m_edit_ctrl != nullptr && IsWindow(m_edit_ctrl->m_hWnd);
+}
+
+int UiElement::EditControl::GetTextWidthByPos(int pos, const CString& text)
+{
+    if (pos <= 0)
+        return 0;
+
+    if (pos >= text.GetLength())
+        return ui->GetDrawer().GetTextExtent(text).cx;
+
+    return ui->GetDrawer().GetTextExtent(text.Left(pos)).cx;
 }

MusicPlayer2/UIElement/EditControl.h

@@ -5,11 +5,26 @@ namespace UiElement
     class EditControl : public Element
     {
     public:
-        virtual void Draw() override;
         void Create(CWnd* parent);
 
+        virtual void Draw() override;
+        virtual bool LButtonUp(CPoint point) override;
+        virtual bool LButtonDown(CPoint point) override;
+        virtual bool MouseMove(CPoint point) override;
+        virtual bool MouseLeave() override;
+        virtual bool SetCursor() override;
+
+    protected:
+        void DrawTextCtrl();
+        bool IsEditControlValid();
+        int GetTextWidthByPos(int pos, const CString& text);
+
     private:
         std::unique_ptr<CEdit> m_edit_ctrl;
+        bool hover{};
+        bool is_edit{};
+        bool out_of_bounds{};
+        bool last_hover{};
     };
 }